ID A0A0T6A7F0_9BACT Unreviewed; 179 AA.
AC A0A0T6A7F0;
DT 17-FEB-2016, integrated into UniProtKB/TrEMBL.
DT 17-FEB-2016, sequence version 1.
DT 24-JAN-2024, entry version 25.
DE RecName: Full=Signal peptidase I {ECO:0000256|ARBA:ARBA00013208, ECO:0000256|RuleBase:RU362042};
DE EC=3.4.21.89 {ECO:0000256|ARBA:ARBA00013208, ECO:0000256|RuleBase:RU362042};
GN ORFNames=XU15_C0002G0100 {ECO:0000313|EMBL:KRT70947.1};
OS candidate division NC10 bacterium CSP1-5.
OC Bacteria; candidate division NC10.
OX NCBI_TaxID=1640516 {ECO:0000313|EMBL:KRT70947.1, ECO:0000313|Proteomes:UP000051123};
RN [1] {ECO:0000313|EMBL:KRT70947.1, ECO:0000313|Proteomes:UP000051123}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CSP1-5 {ECO:0000313|EMBL:KRT70947.1};
RA Hug L.A., Thomas B.C., Sharon I., Brown C.T., Sharma R., Hettich R.L.,
RA Wilkins M.J., Williams K.H., Singh A., Banfield J.F.;
RT "Critical biogeochemical functions in the subsurface are associated with
RT bacteria from new phyla and little studied lineages.";
RL Submitted (MAY-2015) to the EMBL/GenBank/DDBJ databases.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=Cleavage of hydrophobic, N-terminal signal or leader sequences
CC from secreted and periplasmic proteins.; EC=3.4.21.89;
CC Evidence={ECO:0000256|ARBA:ARBA00000677,
CC ECO:0000256|RuleBase:RU362042};
CC -!- SUBCELLULAR LOCATION: Membrane {ECO:0000256|RuleBase:RU362042}; Single-
CC pass type II membrane protein {ECO:0000256|RuleBase:RU362042}.
CC -!- SIMILARITY: Belongs to the peptidase S26 family.
CC {ECO:0000256|ARBA:ARBA00009370, ECO:0000256|RuleBase:RU362042}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:KRT70947.1}.
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DR EMBL; LDXR01000002; KRT70947.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A0T6A7F0; -.
DR STRING; 1640516.XU15_C0002G0100; -.
DR PATRIC; fig|1640516.3.peg.169; -.
DR Proteomes; UP000051123; Unassembled WGS sequence.
DR GO; GO:0016020; C:membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0004252; F:serine-type endopeptidase activity; IEA:UniProtKB-EC.
DR GO; GO:0006465; P:signal peptide processing; IEA:InterPro.
DR CDD; cd06530; S26_SPase_I; 1.
DR Gene3D; 2.10.109.10; Umud Fragment, subunit A; 1.
DR InterPro; IPR036286; LexA/Signal_pep-like_sf.
DR InterPro; IPR000223; Pept_S26A_signal_pept_1.
DR InterPro; IPR019758; Pept_S26A_signal_pept_1_CS.
DR InterPro; IPR019533; Peptidase_S26.
DR NCBIfam; TIGR02227; sigpep_I_bact; 1.
DR PANTHER; PTHR43390:SF1; CHLOROPLAST PROCESSING PEPTIDASE; 1.
DR PANTHER; PTHR43390; SIGNAL PEPTIDASE I; 1.
DR Pfam; PF10502; Peptidase_S26; 1.
DR PRINTS; PR00727; LEADERPTASE.
DR SUPFAM; SSF51306; LexA/Signal peptidase; 1.
DR PROSITE; PS00761; SPASE_I_3; 1.
PE 3: Inferred from homology;
KW Hydrolase {ECO:0000256|RuleBase:RU362042};
KW Membrane {ECO:0000256|RuleBase:RU362042};
KW Protease {ECO:0000256|RuleBase:RU362042};
KW Transmembrane {ECO:0000256|RuleBase:RU362042};
KW Transmembrane helix {ECO:0000256|RuleBase:RU362042}.
FT TRANSMEM 21..38
FT /note="Helical"
FT /evidence="ECO:0000256|RuleBase:RU362042"
FT DOMAIN 25..171
FT /note="Peptidase S26"
FT /evidence="ECO:0000259|Pfam:PF10502"
FT ACT_SITE 52
FT /evidence="ECO:0000256|PIRSR:PIRSR600223-1"
FT ACT_SITE 95
FT /evidence="ECO:0000256|PIRSR:PIRSR600223-1"
SQ SEQUENCE 179 AA; 20987 MW; 5274D3E7A0272AA5 CRC64;
MPKNNRTFFD SRFVWTEKRR ANRLAFILFW SIVMYYFFKV YVVSVGVVTD ISMHPTLPEG
AYYMVNKYIY RFAHPERGDI VVFQKDRYTS EEYVKRVIGL PGETFSIQGG EIYINGRRLD
EPYAAGRSHP DSAPHTIGKD AYFVLGDNRL MSEDSREFGD VLFTNIMGKI KPDQFFPFR
//